O2H Tablet 10.0 tablets in 1 strip

Last Updated: April 13th, 2026

O2H Tablet is a product of Medley Pharmaceuticals

Composition: Ofloxacin (100mg) + Ornidazole (250mg)

Pack of 10 tablet

₹ 121.59

Note: MRP can vary depending up on batch!

*MRP inclusive of all taxes

All Details About O2H Tablet

Find out detailed description, uses, directions of use, side effects, warnings and precautions, frequently asked questions about O2H Tablet

Description:

O2H Tablet is a combination of two antibiotics. It is used in the treatment of bacterial and parasitic infections. It effectively treats a wide range of bacterial infections that may occur in the teeth, lungs, gastrointestinal tract, urinary tract, and genital tract.

O2H Tablet is best taken with food. Take it at a fixed time to ensure better efficacy. Do not take more than the recommended dose, as it may have harmful effects on your body. If you miss a dose, take it as soon as you remember. The treatment must be completed even if you feel better to ensure a complete recovery.

This medicine may lead to some side effects such as nausea, vomiting, dizziness, and headache. To overcome any such side effects, it is advised to eat a healthy, balanced diet and drink plenty of fluids. If any of the side effects get aggravated, consult your doctor immediately. If you experience any allergic reaction (rashes, itching, swelling, shortness of breath, etc.), you must seek immediate medical help.

Earlier taking this medicine, tell your doctor if you have any liver or kidney problems. Also, inform your doctor about all other medicines you are taking for any health condition. Pregnant or breastfeeding women should consult their doctor before using this medicine. Avoid drinking alcohol during treatment, as it may increase dizziness. This medicine usually does not affect the ability to drive, but do not drive or operate machinery if it makes you sleepy or dizzy. If you are allergic to this medicine, avoid using it. Appropriate rest during the course of treatment may help the medicine work more effectively.

Uses:

Treatment of Bacterial & parasitic infections

Directions For Use:

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. O2H Tablet should be taken with or after food.

Side Effects:

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Ordinary side effects of O2H

Dizziness
Headache
Insomnia (difficulty in sleeping)
Vomiting
Itching
Vaginal inflammation
Diarrhea
Nausea

Warning & Precautions:

Alcohol

UNSAFE

Do not drink alcohol while you are taking this medicine. O2H Tablet may cause excessive drowsiness when taken with alcohol.

Pregnancy

UNSAFE

O2H Tablet is highly unsafe during pregnancy. It can cause serious harm to the unborn baby, including birth defects and pregnancy loss. Do not use this medicine if you are pregnant or planning to become pregnant.

Breast feeding

UNSAFE

O2H Tablet is unsafe to use during breastfeeding. Data suggests that the drug may cause toxicity to the baby.

Driving

UNSAFE

O2H Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

O2H Tablet should be used with caution in patients with severe kidney disease. Dose adjustment may be needed.

Liver

CAUTION

O2H Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.

FAQs:

What is O2H Tablet used for and how does it work?

O2H Tablet is an antibiotic combination containing ofloxacin and ornidazole, used to treat certain bacterial and parasitic infections. It may be prescribed for gastrointestinal infections such as infectious diarrhea or dysentery, and some abdominal or genital infections. It works by killing harmful microorganisms and stopping their growth so the body can clear the infection more effectively.

What are the common side effects of O2H Tablet?

O2H Tablet is generally safe when taken as prescribed, but some people may experience nausea, vomiting, stomach pain, dizziness, headache, heartburn, or dryness of the mouth. These effects are usually mild and improve as the body adjusts to the medicine. Stop using it and contact your doctor if you develop severe rash, breathing difficulty, persistent vomiting, or unusual weakness.

Are there any contraindications for using O2H Tablet?

O2H Tablet should not be used in people who are allergic to ofloxacin, ornidazole, or other medicines from the quinolone or nitroimidazole groups of antibiotics. Forever inform your doctor about any past drug allergies before starting treatment.

How many doses of O2H Tablet can be taken in a day?

O2H Tablet should be taken only in the dose prescribed by your doctor. Taking more than recommended may increase the risk of side effects. Forever complete the full course even if you feel better earlier.

What should I do if I do not feel better after taking O2H Tablet?

Inform your doctor if you do not feel better after completing the full course of O2H Tablet. You should also seek medical advice if your symptoms worsen during treatment.

Can I stop taking O2H Tablet when I feel better?

No, you should not stop O2H Tablet early even if you feel better. Stopping treatment too soon may allow the infection to return and may contribute to antibiotic resistance.

What should I do if I miss a dose of O2H Tablet?

If you miss a dose of O2H Tablet, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue your regular schedule. Do not take an extra dose to make up for the missed one.

Can I drink alcohol while taking O2H Tablet?

It is best to avoid alcohol while using O2H Tablet because alcohol may increase side effects such as dizziness, sleepiness, or stomach discomfort.

Is O2H Tablet suitable for everyone? Who should avoid it?

O2H Tablet should be used during pregnancy or breastfeeding only if prescribed by a doctor. People with kidney or liver problems should also use it cautiously and under medical supervision.

How long does O2H Tablet take to work?

O2H Tablet usually begins working soon after it is taken, but improvement in symptoms may take a few days depending on the infection and your overall health. Forever follow the full course recommended by your doctor.

What food or medicines should I avoid while taking O2H Tablet?

Forever inform your doctor about other medicines or supplements you are taking before using O2H Tablet. Some medicines may interact with antibiotics and affect how they work, so medical advice is important before combining treatments.

Written by:
Dr. Lokanish
M.B.B.S.

Reviewed by:
Dr. Sureshbabu Yadav
M.B.B.S., DIP.DIAB, F.R.S.H

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